OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow the KeyDescriptor element's Use attribute, which allows remote attackers to use a certificate for both signing and encryption when it is designated for just one purpose, potentially weakening the intended security application of the certificate
Published Sep 29, 2009
7.5
HIGHCVSS 2.0
EPSS 1.54%
Description
OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow the KeyDescriptor element's Use attribute, which allows remote attackers to use a certificate for both signing and encryption when it is designated for just one purpose, potentially weakening the intended security application of the certificate.
Affected products
No data.
- 2.0
- 2.1.0
- 2.2.0
- 1.0.1
- 1.1.0
- 1.1.1
- 1.2.0
- 1.3.1
- 1.3.2
- 1.3b
- 1.3f
- 2.0
- 2.1
- 2.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.54% (0.01544) | 74.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01544) | 71.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.29% (0.01289) | 78.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.68% (0.00682) | 80.68th | v3 (v2023.03.01) |
| Feb 16, 2024 | 0.68% (0.00682) | 79.41th | v3 (v2023.03.01) |
| Oct 2, 2023 | 0.57% (0.00570) | 75.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.48% (0.00481) | 72.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (9)
- http://secunia.com/advisories/36855 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36868 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36876 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://shibboleth.internet2.edu/secadv/secadv_20090817a.txt x_refsource_CONFIRMPatchVendor Advisory
- http://www.debian.org/security/2009/dsa-1895 vendor-advisoryx_refsource_DEBIANPatch
- http://www.debian.org/security/2009/dsa-1896 vendor-advisoryx_refsource_DEBIANPatch
- http://www.securityfocus.com/bid/36516 vdb-entryx_refsource_BIDPatch
- https://bugs.internet2.edu/jira/browse/CPPOST-28 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53474 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/36855 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/36868 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/36876 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://shibboleth.internet2.edu/secadv/secadv_20090817a.txt | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.debian.org/security/2009/dsa-1895 | vendor-advisoryx_refsource_DEBIANPatch | |
| http://www.debian.org/security/2009/dsa-1896 | vendor-advisoryx_refsource_DEBIANPatch | |
| http://www.securityfocus.com/bid/36516 | vdb-entryx_refsource_BIDPatch | |
| https://bugs.internet2.edu/jira/browse/CPPOST-28 | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/53474 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.